[PATCH] riscv: cpu_ops_sbi: Use static array for boot_data

patchwork-bot+linux-riscv at kernel.org patchwork-bot+linux-riscv at kernel.org
Wed Jul 2 11:52:30 PDT 2025


Hello:

This patch was applied to riscv/linux.git (fixes)
by Alexandre Ghiti <alexghiti at rivosinc.com>:

On Tue, 24 Jun 2025 16:04:46 +0800 you wrote:
> Since commit 6b9f29b81b15 ("riscv: Enable pcpu page first chunk
> allocator"), if NUMA is enabled, the page percpu allocator may be used
> on very sparse configurations, or when requested on boot with
> percpu_alloc=page.
> 
> In that case, percpu data gets put in the vmalloc area. However,
> sbi_hsm_hart_start() needs the physical address of a sbi_hart_boot_data,
> and simply assumes that __pa() would work. This causes the just started
> hart to immediately access an invalid address and hang.
> 
> [...]

Here is the summary with links:
  - riscv: cpu_ops_sbi: Use static array for boot_data
    https://git.kernel.org/riscv/c/2b29be967ae4

You are awesome, thank you!
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